Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With cutting – punching – piercing – severing – or tearing
Patent
1974-11-04
1976-04-27
Drummond, Douglas J.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With cutting, punching, piercing, severing, or tearing
156517, B32B 3100
Patent
active
039532798
ABSTRACT:
An apparatus for joining a pair of sheets includes mechanisms for cutting patterns of plural partial perforations in the sheets, applying an adhesive material to at least one of the sheets, transporting the partially perforated sheets in spaced relation to one another with the pattern of partial perforations in each sheet being in opposed relation to the pattern of partial perforations in the other of said sheets, and bending the tab areas defined by the partial perforations in said sheets through an angle of substantially 90.degree. to the plane of each sheet and in a direction extending toward the other sheet to cause corresponding pairs of said tabs to come into overlapping, planar engagement with one another in the region between said spaced sheets and to be bonded to one another by the adhesive material.
REFERENCES:
patent: 2246655 (1941-06-01), Bacon
patent: 3190192 (1965-06-01), Neal
patent: 3517589 (1970-06-01), Herd et al.
patent: 3741079 (1973-06-01), Bossons et al.
Drummond Douglas J.
Pollock Elliott I.
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